hexchat/plugins/lua/lua.c

1772 lines
42 KiB
C

/*
* Copyright (c) 2015-2016 mniip
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
* associated documentation files (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do
* so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
* LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <lua.h>
#include <lauxlib.h>
#include <lualib.h>
#include <glib.h>
#include <gmodule.h>
#ifndef G_OS_WIN32
#include <pwd.h>
#endif
#include <hexchat-plugin.h>
#define WORD_ARRAY_LEN 32
static char plugin_name[] = "Lua";
static char plugin_description[] = "Lua scripting interface";
static char plugin_version[16] = "1.3";
static char console_tab[] = ">>lua<<";
static char command_help[] =
"Usage: /lua load <filename>\n"
" unload <filename>\n"
" reload <filename>\n"
" exec <code>\n"
" inject <filename> <code>\n"
" reset\n"
" list\n"
" console";
static char registry_field[] = "plugin";
static hexchat_plugin *ph;
#if LUA_VERSION_NUM < 502
#define lua_rawlen lua_objlen
#define luaL_setfuncs(L, r, n) luaL_register(L, NULL, r)
#endif
typedef struct
{
hexchat_hook *hook;
lua_State *state;
int ref;
}
hook_info;
typedef struct
{
char *name;
char *description;
char *version;
hexchat_plugin *handle;
char *filename;
lua_State *state;
GPtrArray *hooks;
GPtrArray *unload_hooks;
int traceback;
int status;
}
script_info;
#define STATUS_ACTIVE 1
#define STATUS_DEFERRED_UNLOAD 2
#define STATUS_DEFERRED_RELOAD 4
static void check_deferred(script_info *info);
static inline script_info *get_info(lua_State *L)
{
script_info *info;
lua_getfield(L, LUA_REGISTRYINDEX, registry_field);
info = lua_touserdata(L, -1);
lua_pop(L, 1);
return info;
}
static int api_hexchat_register(lua_State *L)
{
char const *name, *version, *description;
script_info *info = get_info(L);
if(info->name)
return luaL_error(L, "script is already registered as '%s'", info->name);
name = luaL_checkstring(L, 1);
version = luaL_checkstring(L, 2);
description = luaL_checkstring(L, 3);
info->name = g_strdup(name);
info->description = g_strdup(description);
info->version = g_strdup(version);
info->handle = hexchat_plugingui_add(ph, info->filename, info->name, info->description, info->version, NULL);
return 0;
}
static int api_hexchat_command(lua_State *L)
{
hexchat_command(ph, luaL_checkstring(L, 1));
return 0;
}
static int tostring(lua_State *L, int n)
{
luaL_checkany(L, n);
switch (lua_type(L, n))
{
case LUA_TNUMBER:
lua_pushstring(L, lua_tostring(L, n));
break;
case LUA_TSTRING:
lua_pushvalue(L, n);
break;
case LUA_TBOOLEAN:
lua_pushstring(L, (lua_toboolean(L, n) ? "true" : "false"));
break;
case LUA_TNIL:
lua_pushliteral(L, "nil");
break;
default:
lua_pushfstring(L, "%s: %p", luaL_typename(L, n), lua_topointer(L, n));
break;
}
return 1;
}
static int api_hexchat_print(lua_State *L)
{
int i, args = lua_gettop(L);
luaL_Buffer b;
luaL_buffinit(L, &b);
for(i = 1; i <= args; i++)
{
if(i != 1)
luaL_addstring(&b, " ");
tostring(L, i);
luaL_addvalue(&b);
}
luaL_pushresult(&b);
hexchat_print(ph, lua_tostring(L, -1));
return 0;
}
static int api_hexchat_emit_print(lua_State *L)
{
hexchat_emit_print(ph, luaL_checkstring(L, 1), luaL_optstring(L, 2, NULL), luaL_optstring(L, 3, NULL), luaL_optstring(L, 4, NULL), luaL_optstring(L, 5, NULL), luaL_optstring(L, 6, NULL), NULL);
return 0;
}
static int api_hexchat_emit_print_attrs(lua_State *L)
{
hexchat_event_attrs *attrs = *(hexchat_event_attrs **)luaL_checkudata(L, 1, "attrs");
hexchat_emit_print_attrs(ph, attrs, luaL_checkstring(L, 2), luaL_optstring(L, 3, NULL), luaL_optstring(L, 4, NULL), luaL_optstring(L, 5, NULL), luaL_optstring(L, 6, NULL), luaL_optstring(L, 7, NULL), NULL);
return 0;
}
static int api_hexchat_send_modes(lua_State *L)
{
size_t i, n;
int modes;
char const *mode;
char const **targets;
luaL_checktype(L, 1, LUA_TTABLE);
n = lua_rawlen(L, 1);
mode = luaL_checkstring(L, 2);
if(strlen(mode) != 2)
return luaL_argerror(L, 2, "expected sign followed by a mode letter");
modes = luaL_optinteger(L, 3, 0);
targets = g_new(char const *, n);
for(i = 0; i < n; i++)
{
lua_rawgeti(L, 1, i + 1);
if(lua_type(L, -1) != LUA_TSTRING)
{
g_free(targets);
return luaL_argerror(L, 1, "expected an array of strings");
}
targets[i] = lua_tostring(L, -1);
lua_pop(L, 1);
}
hexchat_send_modes(ph, targets, n, modes, mode[0], mode[1]);
g_free(targets);
return 0;
}
static int api_hexchat_nickcmp(lua_State *L)
{
lua_pushinteger(L, hexchat_nickcmp(ph, luaL_checkstring(L, 1), luaL_checkstring(L, 2)));
return 1;
}
static int api_hexchat_strip(lua_State *L)
{
size_t len;
char const *text;
gboolean leave_colors, leave_attrs;
char *result;
luaL_checktype(L, 1, LUA_TSTRING);
text = lua_tolstring(L, 1, &len);
leave_colors = lua_toboolean(L, 2);
leave_attrs = lua_toboolean(L, 3);
result = hexchat_strip(ph, text, len, (leave_colors ? 0 : 1) | (leave_attrs ? 0 : 2));
if(result)
{
lua_pushstring(L, result);
hexchat_free(ph, result);
return 1;
}
return 0;
}
static void register_hook(hook_info *hook)
{
script_info *info = get_info(hook->state);
g_ptr_array_add(info->hooks, hook);
}
static void free_hook(hook_info *hook)
{
if(hook->state)
luaL_unref(hook->state, LUA_REGISTRYINDEX, hook->ref);
if(hook->hook)
hexchat_unhook(ph, hook->hook);
g_free(hook);
}
static int unregister_hook(hook_info *hook)
{
script_info *info = get_info(hook->state);
if(g_ptr_array_remove_fast(info->hooks, hook))
return 1;
if(g_ptr_array_remove_fast(info->unload_hooks, hook))
return 1;
return 0;
}
static int api_command_closure(char *word[], char *word_eol[], void *udata)
{
int base, i, ret;
hook_info *info = udata;
lua_State *L = info->state;
script_info *script = get_info(L);
lua_rawgeti(L, LUA_REGISTRYINDEX, script->traceback);
base = lua_gettop(L);
lua_rawgeti(L, LUA_REGISTRYINDEX, info->ref);
lua_newtable(L);
for(i = 1; i < WORD_ARRAY_LEN && *word_eol[i]; i++)
{
lua_pushstring(L, word[i]);
lua_rawseti(L, -2, i);
}
lua_newtable(L);
for(i = 1; i < WORD_ARRAY_LEN && *word_eol[i]; i++)
{
lua_pushstring(L, word_eol[i]);
lua_rawseti(L, -2, i);
}
script->status |= STATUS_ACTIVE;
if(lua_pcall(L, 2, 1, base))
{
char const *error = lua_tostring(L, -1);
lua_pop(L, 2);
hexchat_printf(ph, "Lua error in command hook: %s", error ? error : "(non-string error)");
check_deferred(script);
return HEXCHAT_EAT_NONE;
}
ret = lua_tointeger(L, -1);
lua_pop(L, 2);
check_deferred(script);
return ret;
}
static int api_hexchat_hook_command(lua_State *L)
{
hook_info *info, **u;
char const *command, *help;
int ref, pri;
command = luaL_optstring(L, 1, "");
lua_pushvalue(L, 2);
ref = luaL_ref(L, LUA_REGISTRYINDEX);
help = luaL_optstring(L, 3, NULL);
pri = luaL_optinteger(L, 4, HEXCHAT_PRI_NORM);
info = g_new(hook_info, 1);
info->state = L;
info->ref = ref;
info->hook = hexchat_hook_command(ph, command, pri, api_command_closure, help, info);
u = lua_newuserdata(L, sizeof(hook_info *));
*u = info;
luaL_newmetatable(L, "hook");
lua_setmetatable(L, -2);
register_hook(info);
return 1;
}
static int api_print_closure(char *word[], void *udata)
{
hook_info *info = udata;
lua_State *L = info->state;
script_info *script = get_info(L);
int i, j, base, ret;
lua_rawgeti(L, LUA_REGISTRYINDEX, script->traceback);
base = lua_gettop(L);
lua_rawgeti(L, LUA_REGISTRYINDEX, info->ref);
for(j = 31; j >= 1; j--)
{
if(*word[j])
break;
}
lua_newtable(L);
for(i = 1; i <= j; i++)
{
lua_pushstring(L, word[i]);
lua_rawseti(L, -2, i);
}
script->status |= STATUS_ACTIVE;
if(lua_pcall(L, 1, 1, base))
{
char const *error = lua_tostring(L, -1);
lua_pop(L, 2);
hexchat_printf(ph, "Lua error in print hook: %s", error ? error : "(non-string error)");
check_deferred(script);
return HEXCHAT_EAT_NONE;
}
ret = lua_tointeger(L, -1);
lua_pop(L, 2);
check_deferred(script);
return ret;
}
static int api_hexchat_hook_print(lua_State *L)
{
char const *event = luaL_checkstring(L, 1);
hook_info *info, **u;
int ref, pri;
lua_pushvalue(L, 2);
ref = luaL_ref(L, LUA_REGISTRYINDEX);
pri = luaL_optinteger(L, 3, HEXCHAT_PRI_NORM);
info = g_new(hook_info, 1);
info->state = L;
info->ref = ref;
info->hook = hexchat_hook_print(ph, event, pri, api_print_closure, info);
u = lua_newuserdata(L, sizeof(hook_info *));
*u = info;
luaL_newmetatable(L, "hook");
lua_setmetatable(L, -2);
register_hook(info);
return 1;
}
static hexchat_event_attrs *event_attrs_copy(const hexchat_event_attrs *attrs)
{
hexchat_event_attrs *copy = hexchat_event_attrs_create(ph);
copy->server_time_utc = attrs->server_time_utc;
return copy;
}
static int api_print_attrs_closure(char *word[], hexchat_event_attrs *attrs, void *udata)
{
hook_info *info = udata;
lua_State *L = info->state;
script_info *script = get_info(L);
int base, i, j, ret;
hexchat_event_attrs **u;
lua_rawgeti(L, LUA_REGISTRYINDEX, script->traceback);
base = lua_gettop(L);
lua_rawgeti(L, LUA_REGISTRYINDEX, info->ref);
for(j = 31; j >= 1; j--)
{
if(*word[j])
break;
}
lua_newtable(L);
for(i = 1; i <= j; i++)
{
lua_pushstring(L, word[i]);
lua_rawseti(L, -2, i);
}
u = lua_newuserdata(L, sizeof(hexchat_event_attrs *));
*u = event_attrs_copy(attrs);
luaL_newmetatable(L, "attrs");
lua_setmetatable(L, -2);
script->status |= STATUS_ACTIVE;
if(lua_pcall(L, 2, 1, base))
{
char const *error = lua_tostring(L, -1);
lua_pop(L, 2);
hexchat_printf(ph, "Lua error in print_attrs hook: %s", error ? error : "(non-string error)");
check_deferred(script);
return HEXCHAT_EAT_NONE;
}
ret = lua_tointeger(L, -1);
lua_pop(L, 2);
check_deferred(script);
return ret;
}
static int api_hexchat_hook_print_attrs(lua_State *L)
{
hook_info *info, **u;
int ref, pri;
char const *event = luaL_checkstring(L, 1);
lua_pushvalue(L, 2);
ref = luaL_ref(L, LUA_REGISTRYINDEX);
pri = luaL_optinteger(L, 3, HEXCHAT_PRI_NORM);
info = g_new(hook_info, 1);
info->state = L;
info->ref = ref;
info->hook = hexchat_hook_print_attrs(ph, event, pri, api_print_attrs_closure, info);
u = lua_newuserdata(L, sizeof(hook_info *));
*u = info;
luaL_newmetatable(L, "hook");
lua_setmetatable(L, -2);
register_hook(info);
return 1;
}
static int api_server_closure(char *word[], char *word_eol[], void *udata)
{
hook_info *info = udata;
lua_State *L = info->state;
script_info *script = get_info(L);
int base, i, ret;
lua_rawgeti(L, LUA_REGISTRYINDEX, script->traceback);
base = lua_gettop(L);
lua_rawgeti(L, LUA_REGISTRYINDEX, info->ref);
lua_newtable(L);
for(i = 1; i < WORD_ARRAY_LEN && *word_eol[i]; i++)
{
lua_pushstring(L, word[i]);
lua_rawseti(L, -2, i);
}
lua_newtable(L);
for(i = 1; i < WORD_ARRAY_LEN && *word_eol[i]; i++)
{
lua_pushstring(L, word_eol[i]);
lua_rawseti(L, -2, i);
}
script->status |= STATUS_ACTIVE;
if(lua_pcall(L, 2, 1, base))
{
char const *error = lua_tostring(L, -1);
lua_pop(L, 2);
hexchat_printf(ph, "Lua error in server hook: %s", error ? error : "(non-string error)");
check_deferred(script);
return HEXCHAT_EAT_NONE;
}
ret = lua_tointeger(L, -1);
lua_pop(L, 2);
check_deferred(script);
return ret;
}
static int api_hexchat_hook_server(lua_State *L)
{
char const *command = luaL_optstring(L, 1, "RAW LINE");
hook_info *info, **u;
int ref, pri;
lua_pushvalue(L, 2);
ref = luaL_ref(L, LUA_REGISTRYINDEX);
pri = luaL_optinteger(L, 3, HEXCHAT_PRI_NORM);
info = g_new(hook_info, 1);
info->state = L;
info->ref = ref;
info->hook = hexchat_hook_server(ph, command, pri, api_server_closure, info);
u = lua_newuserdata(L, sizeof(hook_info *));
*u = info;
luaL_newmetatable(L, "hook");
lua_setmetatable(L, -2);
register_hook(info);
return 1;
}
static int api_server_attrs_closure(char *word[], char *word_eol[], hexchat_event_attrs *attrs, void *udata)
{
hook_info *info = udata;
lua_State *L = info->state;
script_info *script = get_info(L);
int base, i, ret;
hexchat_event_attrs **u;
lua_rawgeti(L, LUA_REGISTRYINDEX, script->traceback);
base = lua_gettop(L);
lua_rawgeti(L, LUA_REGISTRYINDEX, info->ref);
lua_newtable(L);
for(i = 1; i < WORD_ARRAY_LEN && *word_eol[i]; i++)
{
lua_pushstring(L, word[i]);
lua_rawseti(L, -2, i);
}
lua_newtable(L);
for(i = 1; i < WORD_ARRAY_LEN && *word_eol[i]; i++)
{
lua_pushstring(L, word_eol[i]);
lua_rawseti(L, -2, i);
}
u = lua_newuserdata(L, sizeof(hexchat_event_attrs *));
*u = event_attrs_copy(attrs);
luaL_newmetatable(L, "attrs");
lua_setmetatable(L, -2);
script->status |= STATUS_ACTIVE;
if(lua_pcall(L, 3, 1, base))
{
char const *error = lua_tostring(L, -1);
lua_pop(L, 2);
hexchat_printf(ph, "Lua error in server_attrs hook: %s", error ? error : "(non-string error)");
check_deferred(script);
return HEXCHAT_EAT_NONE;
}
ret = lua_tointeger(L, -1);
lua_pop(L, 2);
check_deferred(script);
return ret;
}
static int api_hexchat_hook_server_attrs(lua_State *L)
{
char const *command = luaL_optstring(L, 1, "RAW LINE");
int ref, pri;
hook_info *info, **u;
lua_pushvalue(L, 2);
ref = luaL_ref(L, LUA_REGISTRYINDEX);
pri = luaL_optinteger(L, 3, HEXCHAT_PRI_NORM);
info = g_new(hook_info, 1);
info->state = L;
info->ref = ref;
info->hook = hexchat_hook_server_attrs(ph, command, pri, api_server_attrs_closure, info);
u = lua_newuserdata(L, sizeof(hook_info *));
*u = info;
luaL_newmetatable(L, "hook");
lua_setmetatable(L, -2);
register_hook(info);
return 1;
}
static int api_timer_closure(void *udata)
{
hook_info *info = udata;
lua_State *L = info->state;
script_info *script = get_info(L);
int base, ret;
lua_rawgeti(L, LUA_REGISTRYINDEX, script->traceback);
base = lua_gettop(L);
lua_rawgeti(L, LUA_REGISTRYINDEX, info->ref);
script->status |= STATUS_ACTIVE;
if(lua_pcall(L, 0, 1, base))
{
char const *error = lua_tostring(L, -1);
lua_pop(L, 2);
hexchat_printf(ph, "Lua error in timer hook: %s", error ? error : "(non-string error)");
check_deferred(script);
return 0;
}
ret = lua_toboolean(L, -1);
lua_pop(L, 2);
check_deferred(script);
return ret;
}
static int api_hexchat_hook_timer(lua_State *L)
{
int ref, timeout = luaL_checkinteger (L, 1);
hook_info *info, **u;
lua_pushvalue(L, 2);
ref = luaL_ref(L, LUA_REGISTRYINDEX);
info = g_new(hook_info, 1);
info->state = L;
info->ref = ref;
info->hook = hexchat_hook_timer(ph, timeout, api_timer_closure, info);
u = lua_newuserdata(L, sizeof(hook_info *));
*u = info;
luaL_newmetatable(L, "hook");
lua_setmetatable(L, -2);
register_hook(info);
return 1;
}
static int api_hexchat_hook_unload(lua_State *L)
{
script_info *script;
hook_info *info, **u;
int ref;
lua_pushvalue(L, 1);
ref = luaL_ref(L, LUA_REGISTRYINDEX);
info = g_new(hook_info, 1);
info->state = L;
info->ref = ref;
info->hook = NULL;
u = lua_newuserdata(L, sizeof(hook_info *));
*u = info;
luaL_newmetatable(L, "hook");
lua_setmetatable(L, -2);
script = get_info(info->state);
g_ptr_array_add(script->unload_hooks, info);
return 1;
}
static int api_hexchat_unhook(lua_State *L)
{
hook_info **info = (hook_info **)luaL_checkudata(L, 1, "hook");
if(*info)
{
unregister_hook(*info);
*info = 0;
return 0;
}
else
{
tostring(L, 1);
return luaL_error(L, "hook %s is already unhooked", lua_tostring(L, -1));
}
}
static int api_hexchat_find_context(lua_State *L)
{
char const *server = luaL_optstring(L, 1, NULL);
char const *channel = luaL_optstring(L, 2, NULL);
hexchat_context *context = hexchat_find_context(ph, server, channel);
if(context)
{
hexchat_context **u = lua_newuserdata(L, sizeof(hexchat_context *));
*u = context;
luaL_newmetatable(L, "context");
lua_setmetatable(L, -2);
return 1;
}
else
{
lua_pushnil(L);
return 1;
}
}
static int api_hexchat_get_context(lua_State *L)
{
hexchat_context *context = hexchat_get_context(ph);
hexchat_context **u = lua_newuserdata(L, sizeof(hexchat_context *));
*u = context;
luaL_newmetatable(L, "context");
lua_setmetatable(L, -2);
return 1;
}
static int api_hexchat_set_context(lua_State *L)
{
hexchat_context *context = *(hexchat_context **)luaL_checkudata(L, 1, "context");
int success = hexchat_set_context(ph, context);
lua_pushboolean(L, success);
return 1;
}
static int wrap_context_closure(lua_State *L)
{
hexchat_context *old, *context = *(hexchat_context **)luaL_checkudata(L, 1, "context");
lua_pushvalue(L, lua_upvalueindex(1));
lua_replace(L, 1);
old = hexchat_get_context(ph);
if(!hexchat_set_context(ph, context))
return luaL_error(L, "could not switch into context");
lua_call(L, lua_gettop(L) - 1, LUA_MULTRET);
hexchat_set_context(ph, old);
return lua_gettop(L);
}
static inline void wrap_context(lua_State *L, char const *field, lua_CFunction func)
{
lua_pushcfunction(L, func);
lua_pushcclosure(L, wrap_context_closure, 1);
lua_setfield(L, -2, field);
}
static int api_hexchat_context_meta_eq(lua_State *L)
{
hexchat_context *this = *(hexchat_context **)luaL_checkudata(L, 1, "context");
hexchat_context *that = *(hexchat_context **)luaL_checkudata(L, 2, "context");
lua_pushboolean(L, this == that);
return 1;
}
static int api_hexchat_get_info(lua_State *L)
{
char const *key = luaL_checkstring(L, 1);
char const *data = hexchat_get_info(ph, key);
if(data)
{
if(!strcmp(key, "gtkwin_ptr") || !strcmp(key, "win_ptr"))
lua_pushlightuserdata(L, (void *)data);
else
lua_pushstring(L, data);
return 1;
}
lua_pushnil(L);
return 1;
}
static int api_hexchat_attrs(lua_State *L)
{
hexchat_event_attrs *attrs = hexchat_event_attrs_create(ph);
hexchat_event_attrs **u = lua_newuserdata(L, sizeof(hexchat_event_attrs *));
*u = attrs;
luaL_newmetatable(L, "attrs");
lua_setmetatable(L, -2);
return 1;
}
static int api_iterate_closure(lua_State *L)
{
hexchat_list *list = *(hexchat_list **)luaL_checkudata(L, lua_upvalueindex(1), "list");
if(hexchat_list_next(ph, list))
{
lua_pushvalue(L, lua_upvalueindex(1));
return 1;
}
else
return 0;
}
static int api_hexchat_iterate(lua_State *L)
{
char const *name = luaL_checkstring(L, 1);
hexchat_list *list = hexchat_list_get(ph, name);
if(list)
{
hexchat_list **u = lua_newuserdata(L, sizeof(hexchat_list *));
*u = list;
luaL_newmetatable(L, "list");
lua_setmetatable(L, -2);
lua_pushcclosure(L, api_iterate_closure, 1);
return 1;
}
else
return luaL_argerror(L, 1, "invalid list name");
}
static int api_hexchat_prefs_meta_index(lua_State *L)
{
char const *key = luaL_checkstring(L, 2);
char const *string;
int number;
int ret = hexchat_get_prefs(ph, key, &string, &number);
switch(ret)
{
case 0:
lua_pushnil(L);
return 1;
case 1:
lua_pushstring(L, string);
return 1;
case 2:
lua_pushnumber(L, number);
return 1;
case 3:
lua_pushboolean(L, number);
return 1;
default:
return 0;
}
}
static int api_hexchat_prefs_meta_newindex(lua_State *L)
{
return luaL_error(L, "hexchat.prefs is read-only");
}
static inline int list_marshal(lua_State *L, const char *key, hexchat_list *list)
{
char const *str = hexchat_list_str(ph, list, key);
int number;
if(str)
{
if(!strcmp(key, "context"))
{
hexchat_context **u = lua_newuserdata(L, sizeof(hexchat_context *));
*u = (hexchat_context *)str;
luaL_newmetatable(L, "context");
lua_setmetatable(L, -2);
return 1;
}
lua_pushstring(L, str);
return 1;
}
number = hexchat_list_int(ph, list, key);
if(number != -1)
{
lua_pushinteger(L, number);
return 1;
}
if (list != NULL)
{
time_t tm = hexchat_list_time(ph, list, key);
if(tm != -1)
{
lua_pushinteger(L, tm);
return 1;
}
}
lua_pushnil(L);
return 1;
}
static int api_hexchat_props_meta_index(lua_State *L)
{
char const *key = luaL_checkstring(L, 2);
return list_marshal(L, key, NULL);
}
static int api_hexchat_props_meta_newindex(lua_State *L)
{
return luaL_error(L, "hexchat.props is read-only");
}
static int api_hexchat_pluginprefs_meta_index(lua_State *L)
{
script_info *script = get_info(L);
const char *key;
hexchat_plugin *h;
char str[512];
int r;
if(!script->name)
return luaL_error(L, "cannot use hexchat.pluginprefs before registering with hexchat.register");
key = luaL_checkstring(L, 2);
h = script->handle;
r = hexchat_pluginpref_get_int(h, key);
if(r != -1)
{
lua_pushinteger(L, r);
return 1;
}
if(hexchat_pluginpref_get_str(h, key, str))
{
/* Wasn't actually a failure */
if (!strcmp(str, "-1"))
lua_pushinteger(L, r);
else
lua_pushstring(L, str);
return 1;
}
lua_pushnil(L);
return 1;
}
static int api_hexchat_pluginprefs_meta_newindex(lua_State *L)
{
script_info *script = get_info(L);
const char *key;
hexchat_plugin *h;
if(!script->name)
return luaL_error(L, "cannot use hexchat.pluginprefs before registering with hexchat.register");
key = luaL_checkstring(L, 2);
h = script->handle;
switch(lua_type(L, 3))
{
case LUA_TSTRING:
hexchat_pluginpref_set_str(h, key, lua_tostring(L, 3));
return 0;
case LUA_TNUMBER:
hexchat_pluginpref_set_int(h, key, lua_tointeger(L, 3));
return 0;
case LUA_TNIL: case LUA_TNONE:
hexchat_pluginpref_delete(h, key);
return 0;
default:
return luaL_argerror(L, 3, "expected string, number, or nil");
}
}
static int api_hexchat_pluginprefs_meta_pairs_closure(lua_State *L)
{
char *dest = lua_touserdata(L, lua_upvalueindex(1));
hexchat_plugin *h = get_info(L)->handle;
if(dest && *dest)
{
int r;
char str[512];
char *key = dest;
dest = strchr(dest, ',');
if(dest)
*(dest++) = 0;
lua_pushlightuserdata(L, dest);
lua_replace(L, lua_upvalueindex(1));
lua_pushstring(L, key);
r = hexchat_pluginpref_get_int(h, key);
if(r != -1)
{
lua_pushinteger(L, r);
return 2;
}
if(hexchat_pluginpref_get_str(h, key, str))
{
lua_pushstring(L, str);
return 2;
}
lua_pushnil(L);
return 2;
}
else
return 0;
}
static int api_hexchat_pluginprefs_meta_pairs(lua_State *L)
{
script_info *script = get_info(L);
char *dest;
hexchat_plugin *h;
if(!script->name)
return luaL_error(L, "cannot use hexchat.pluginprefs before registering with hexchat.register");
dest = lua_newuserdata(L, 4096);
h = script->handle;
if(!hexchat_pluginpref_list(h, dest))
strcpy(dest, "");
lua_pushlightuserdata(L, dest);
lua_pushlightuserdata(L, dest);
lua_pushcclosure(L, api_hexchat_pluginprefs_meta_pairs_closure, 2);
lua_insert(L, -2); // Return the userdata (second return value from pairs),
// even though it's not used by the closure (first return
// value from pairs), so that Lua knows not to GC it.
return 2;
}
static int api_attrs_meta_index(lua_State *L)
{
hexchat_event_attrs *attrs = *(hexchat_event_attrs **)luaL_checkudata(L, 1, "attrs");
char const *key = luaL_checkstring(L, 2);
if(!strcmp(key, "server_time_utc"))
{
lua_pushinteger(L, attrs->server_time_utc);
return 1;
}
else
{
lua_pushnil(L);
return 1;
}
}
static int api_attrs_meta_newindex(lua_State *L)
{
hexchat_event_attrs *attrs = *(hexchat_event_attrs **)luaL_checkudata(L, 1, "attrs");
char const *key = luaL_checkstring(L, 2);
if(!strcmp(key, "server_time_utc"))
{
attrs->server_time_utc = luaL_checkinteger(L, 3);
return 0;
}
else
return 0;
}
static int api_attrs_meta_gc(lua_State *L)
{
hexchat_event_attrs *attrs = *(hexchat_event_attrs **)luaL_checkudata(L, 1, "attrs");
hexchat_event_attrs_free(ph, attrs);
return 0;
}
static int api_list_meta_index(lua_State *L)
{
hexchat_list *list = *(hexchat_list **)luaL_checkudata(L, 1, "list");
char const *key = luaL_checkstring(L, 2);
return list_marshal(L, key, list);
}
static int api_list_meta_newindex(lua_State *L)
{
return luaL_error(L, "hexchat.iterate list is read-only");
}
static int api_list_meta_gc(lua_State *L)
{
hexchat_list *list = *(hexchat_list **)luaL_checkudata(L, 1, "list");
hexchat_list_free(ph, list);
return 0;
}
static luaL_Reg api_hexchat[] = {
{"register", api_hexchat_register},
{"command", api_hexchat_command},
{"print", api_hexchat_print},
{"emit_print", api_hexchat_emit_print},
{"emit_print_attrs", api_hexchat_emit_print_attrs},
{"send_modes", api_hexchat_send_modes},
{"nickcmp", api_hexchat_nickcmp},
{"strip", api_hexchat_strip},
{"get_info", api_hexchat_get_info},
{"hook_command", api_hexchat_hook_command},
{"hook_print", api_hexchat_hook_print},
{"hook_print_attrs", api_hexchat_hook_print_attrs},
{"hook_server", api_hexchat_hook_server},
{"hook_server_attrs", api_hexchat_hook_server_attrs},
{"hook_timer", api_hexchat_hook_timer},
{"hook_unload", api_hexchat_hook_unload},
{"unhook", api_hexchat_unhook},
{"get_context", api_hexchat_get_context},
{"find_context", api_hexchat_find_context},
{"set_context", api_hexchat_set_context},
{"attrs", api_hexchat_attrs},
{"iterate", api_hexchat_iterate},
{NULL, NULL}
};
static luaL_Reg api_hexchat_props_meta[] = {
{"__index", api_hexchat_props_meta_index},
{"__newindex", api_hexchat_props_meta_newindex},
{NULL, NULL}
};
static luaL_Reg api_hexchat_prefs_meta[] = {
{"__index", api_hexchat_prefs_meta_index},
{"__newindex", api_hexchat_prefs_meta_newindex},
{NULL, NULL}
};
static luaL_Reg api_hexchat_pluginprefs_meta[] = {
{"__index", api_hexchat_pluginprefs_meta_index},
{"__newindex", api_hexchat_pluginprefs_meta_newindex},
{"__pairs", api_hexchat_pluginprefs_meta_pairs},
{NULL, NULL}
};
static luaL_Reg api_hook_meta_index[] = {
{"unhook", api_hexchat_unhook},
{NULL, NULL}
};
static luaL_Reg api_attrs_meta[] = {
{"__index", api_attrs_meta_index},
{"__newindex", api_attrs_meta_newindex},
{"__gc", api_attrs_meta_gc},
{NULL, NULL}
};
static luaL_Reg api_list_meta[] = {
{"__index", api_list_meta_index},
{"__newindex", api_list_meta_newindex},
{"__gc", api_list_meta_gc},
{NULL, NULL}
};
static int luaopen_hexchat(lua_State *L)
{
lua_newtable(L);
luaL_setfuncs(L, api_hexchat, 0);
lua_pushinteger(L, HEXCHAT_PRI_HIGHEST); lua_setfield(L, -2, "PRI_HIGHEST");
lua_pushinteger(L, HEXCHAT_PRI_HIGH); lua_setfield(L, -2, "PRI_HIGH");
lua_pushinteger(L, HEXCHAT_PRI_NORM); lua_setfield(L, -2, "PRI_NORM");
lua_pushinteger(L, HEXCHAT_PRI_LOW); lua_setfield(L, -2, "PRI_LOW");
lua_pushinteger(L, HEXCHAT_PRI_LOWEST); lua_setfield(L, -2, "PRI_LOWEST");
lua_pushinteger(L, HEXCHAT_EAT_NONE); lua_setfield(L, -2, "EAT_NONE");
lua_pushinteger(L, HEXCHAT_EAT_HEXCHAT); lua_setfield(L, -2, "EAT_HEXCHAT");
lua_pushinteger(L, HEXCHAT_EAT_PLUGIN); lua_setfield(L, -2, "EAT_PLUGIN");
lua_pushinteger(L, HEXCHAT_EAT_ALL); lua_setfield(L, -2, "EAT_ALL");
lua_newtable(L);
lua_newtable(L);
luaL_setfuncs(L, api_hexchat_prefs_meta, 0);
lua_setmetatable(L, -2);
lua_setfield(L, -2, "prefs");
lua_newtable(L);
lua_newtable(L);
luaL_setfuncs(L, api_hexchat_props_meta, 0);
lua_setmetatable(L, -2);
lua_setfield(L, -2, "props");
lua_newtable(L);
lua_newtable(L);
luaL_setfuncs(L, api_hexchat_pluginprefs_meta, 0);
lua_setmetatable(L, -2);
lua_setfield(L, -2, "pluginprefs");
luaL_newmetatable(L, "hook");
lua_newtable(L);
luaL_setfuncs(L, api_hook_meta_index, 0);
lua_setfield(L, -2, "__index");
lua_pop(L, 1);
luaL_newmetatable(L, "context");
lua_newtable(L);
lua_pushcfunction(L, api_hexchat_set_context);
lua_setfield(L, -2, "set");
wrap_context(L, "find_context", api_hexchat_find_context);
wrap_context(L, "print", api_hexchat_print);
wrap_context(L, "emit_print", api_hexchat_emit_print);
wrap_context(L, "emit_print_attrs", api_hexchat_emit_print_attrs);
wrap_context(L, "command", api_hexchat_command);
wrap_context(L, "nickcmp", api_hexchat_nickcmp);
wrap_context(L, "get_info", api_hexchat_get_info);
wrap_context(L, "iterate", api_hexchat_iterate);
lua_setfield(L, -2, "__index");
lua_pushcfunction(L, api_hexchat_context_meta_eq);
lua_setfield(L, -2, "__eq");
lua_pop(L, 1);
luaL_newmetatable(L, "attrs");
luaL_setfuncs(L, api_attrs_meta, 0);
lua_pop(L, 1);
luaL_newmetatable(L, "list");
luaL_setfuncs(L, api_list_meta, 0);
lua_pop(L, 1);
return 1;
}
static int pairs_closure(lua_State *L)
{
lua_settop(L, 1);
if(luaL_getmetafield(L, 1, "__pairs"))
{
lua_insert(L, 1);
lua_call(L, 1, LUA_MULTRET);
return lua_gettop(L);
}
else
{
lua_pushvalue(L, lua_upvalueindex(1));
lua_insert(L, 1);
lua_call(L, 1, LUA_MULTRET);
return lua_gettop(L);
}
}
static void patch_pairs(lua_State *L)
{
lua_getglobal(L, "pairs");
lua_pushcclosure(L, pairs_closure, 1);
lua_setglobal(L, "pairs");
}
static void patch_clibs(lua_State *L)
{
lua_pushnil(L);
while(lua_next(L, LUA_REGISTRYINDEX))
{
if(lua_type(L, -2) == LUA_TLIGHTUSERDATA && lua_type(L, -1) == LUA_TTABLE)
{
lua_setfield(L, LUA_REGISTRYINDEX, "_CLIBS");
lua_pop(L, 1);
break;
}
lua_pop(L, 1);
}
}
static GPtrArray *scripts;
static char *expand_buffer = NULL;
static char const *expand_path(char const *path)
{
if(g_path_is_absolute(path))
return path;
#ifndef G_OS_WIN32
if(path[0] == '~')
{
if(!path[1] || path[1] == '/')
{
g_free(expand_buffer);
expand_buffer = g_build_filename(g_get_home_dir(), path + 1, NULL);
return expand_buffer;
}
else
{
char *user = g_strdup(path + 1);
char *slash_pos = strchr(user, '/');
struct passwd *pw;
if(slash_pos)
*slash_pos = 0;
pw = getpwnam(user);
g_free(user);
if(pw)
{
slash_pos = strchr(path, '/');
if(!slash_pos)
return pw->pw_dir;
g_free(expand_buffer);
expand_buffer = g_strconcat(pw->pw_dir, slash_pos, NULL);
return expand_buffer;
}
else
{
return path;
}
}
}
else
#endif
{
g_free(expand_buffer);
expand_buffer = g_build_filename(hexchat_get_info(ph, "configdir"), "addons", path, NULL);
return expand_buffer;
}
}
static inline int is_lua_file(char const *file)
{
return g_str_has_suffix(file, ".lua") || g_str_has_suffix(file, ".luac");
}
static void prepare_state(lua_State *L, script_info *info)
{
luaL_openlibs(L);
if(LUA_VERSION_NUM < 502)
patch_pairs(L);
if(LUA_VERSION_NUM > 502)
patch_clibs(L);
lua_getglobal(L, "debug");
lua_getfield(L, -1, "traceback");
info->traceback = luaL_ref(L, LUA_REGISTRYINDEX);
lua_pop(L, 1);
lua_pushlightuserdata(L, info);
lua_setfield(L, LUA_REGISTRYINDEX, registry_field);
luaopen_hexchat(L);
lua_setglobal(L, "hexchat");
lua_getglobal(L, "hexchat");
lua_getfield(L, -1, "print");
lua_setglobal(L, "print");
lua_pop(L, 1);
}
static void run_unload_hook(hook_info *hook, lua_State *L)
{
int base = lua_gettop(L);
lua_rawgeti(L, LUA_REGISTRYINDEX, hook->ref);
if(lua_pcall(L, 0, 0, base))
{
char const *error = lua_tostring(L, -1);
hexchat_printf(ph, "Lua error in unload hook: %s", error ? error : "(non-string error)");
}
lua_settop(L, base);
}
static void run_unload_hooks(script_info *info, void *unused)
{
lua_State *L = info->state;
lua_rawgeti(L, LUA_REGISTRYINDEX, info->traceback);
g_ptr_array_foreach(info->unload_hooks, (GFunc)run_unload_hook, L);
lua_pop(L, 1);
}
static void destroy_script(script_info *info)
{
if (info)
{
g_clear_pointer(&info->hooks, g_ptr_array_unref);
g_clear_pointer(&info->unload_hooks, g_ptr_array_unref);
g_clear_pointer(&info->state, lua_close);
if (info->handle)
hexchat_plugingui_remove(ph, info->handle);
g_free(info->filename);
g_free(info->name);
g_free(info->description);
g_free(info->version);
g_free(info);
}
}
static script_info *create_script(char const *file)
{
int base;
char *filename_fs;
lua_State *L;
script_info *info = g_new0(script_info, 1);
info->hooks = g_ptr_array_new_with_free_func((GDestroyNotify)free_hook);
info->unload_hooks = g_ptr_array_new_with_free_func((GDestroyNotify)free_hook);
info->filename = g_strdup(expand_path(file));
L = luaL_newstate();
info->state = L;
if(!L)
{
hexchat_print(ph, "\00304Could not allocate memory for the script");
destroy_script(info);
return NULL;
}
prepare_state(L, info);
lua_rawgeti(L, LUA_REGISTRYINDEX, info->traceback);
base = lua_gettop(L);
filename_fs = g_filename_from_utf8(info->filename, -1, NULL, NULL, NULL);
if(!filename_fs)
{
hexchat_printf(ph, "Invalid filename: %s", info->filename);
destroy_script(info);
return NULL;
}
if(luaL_loadfile(L, filename_fs))
{
g_free(filename_fs);
hexchat_printf(ph, "Lua syntax error: %s", luaL_optstring(L, -1, ""));
destroy_script(info);
return NULL;
}
g_free(filename_fs);
info->status |= STATUS_ACTIVE;
if(lua_pcall(L, 0, 0, base))
{
char const *error = lua_tostring(L, -1);
hexchat_printf(ph, "Lua error: %s", error ? error : "(non-string error)");
destroy_script(info);
return NULL;
}
lua_pop(L, 1);
if(!info->name)
{
hexchat_printf(ph, "Lua script didn't register with hexchat.register");
destroy_script(info);
return NULL;
}
return info;
}
static script_info *get_script_by_file(char const *filename)
{
char const *expanded = expand_path(filename);
guint i;
for(i = 0; i < scripts->len; i++)
{
script_info *script = scripts->pdata[i];
if(!strcmp(script->filename, expanded))
{
return script;
}
}
return NULL;
}
static int load_script(char const *file)
{
script_info *info = get_script_by_file(file);
if (info != NULL)
{
hexchat_print(ph, "Lua script is already loaded");
return 0;
}
info = create_script(file);
if (info)
{
g_ptr_array_add(scripts, info);
check_deferred(info);
}
return 1;
}
static int unload_script(char const *filename)
{
script_info *script = get_script_by_file(filename);
if (!script)
return 0;
if(script->status & STATUS_ACTIVE)
script->status |= STATUS_DEFERRED_UNLOAD;
else
{
run_unload_hooks(script, NULL);
g_ptr_array_remove_fast(scripts, script);
}
return 1;
}
static int reload_script(char const *filename)
{
script_info *script = get_script_by_file(filename);
if (!script)
return 0;
if(script->status & STATUS_ACTIVE)
{
script->status |= STATUS_DEFERRED_RELOAD;
}
else
{
char *filename = g_strdup(script->filename);
run_unload_hooks(script, NULL);
g_ptr_array_remove_fast(scripts, script);
load_script(filename);
g_free(filename);
}
return 1;
}
static void autoload_scripts(void)
{
char *path = g_build_filename(hexchat_get_info(ph, "configdir"), "addons", NULL);
GDir *dir = g_dir_open(path, 0, NULL);
if(dir)
{
char const *filename;
while((filename = g_dir_read_name(dir)))
{
if(is_lua_file(filename))
load_script(filename);
}
g_dir_close(dir);
}
g_free(path);
}
static script_info *interp = NULL;
static void create_interpreter(void)
{
lua_State *L;
interp = g_new0(script_info, 1);
interp->hooks = g_ptr_array_new_with_free_func((GDestroyNotify)free_hook);
interp->unload_hooks = g_ptr_array_new_with_free_func((GDestroyNotify)free_hook);
interp->name = "lua interpreter";
interp->description = "";
interp->version = "";
interp->handle = ph;
interp->filename = "";
L = luaL_newstate();
interp->state = L;
if(!L)
{
hexchat_print(ph, "\00304Could not allocate memory for the interpreter");
g_free(interp);
interp = NULL;
return;
}
prepare_state(L, interp);
}
static void destroy_interpreter(void)
{
if(interp)
{
g_clear_pointer(&interp->hooks, g_ptr_array_unref);
g_clear_pointer(&interp->unload_hooks, g_ptr_array_unref);
g_clear_pointer(&interp->state, lua_close);
g_clear_pointer(&interp, g_free);
}
}
static void inject_string(script_info *info, char const *line)
{
lua_State *L = info->state;
int base, top;
char *ret_line;
gboolean force_ret = FALSE;
if(line[0] == '=')
{
line++;
force_ret = TRUE;
}
ret_line = g_strconcat("return ", line, NULL);
lua_rawgeti(L, LUA_REGISTRYINDEX, info->traceback);
base = lua_gettop(L);
if(luaL_loadbuffer(L, ret_line, strlen(ret_line), "@interpreter"))
{
if(!force_ret)
lua_pop(L, 1);
if(force_ret || luaL_loadbuffer(L, line, strlen(line), "@interpreter"))
{
hexchat_printf(ph, "Lua syntax error: %s", luaL_optstring(L, -1, ""));
lua_pop(L, 2);
g_free(ret_line);
return;
}
}
g_free(ret_line);
info->status |= STATUS_ACTIVE;
if(lua_pcall(L, 0, LUA_MULTRET, base))
{
char const *error = lua_tostring(L, -1);
lua_pop(L, 2);
hexchat_printf(ph, "Lua error: %s", error ? error : "(non-string error)");
return;
}
top = lua_gettop(L);
if(top > base)
{
int i;
luaL_Buffer b;
luaL_buffinit(L, &b);
for(i = base + 1; i <= top; i++)
{
if(i != base + 1)
luaL_addstring(&b, " ");
tostring(L, i);
luaL_addvalue(&b);
}
luaL_pushresult(&b);
hexchat_print(ph, lua_tostring(L, -1));
lua_pop(L, top - base + 1);
}
lua_pop(L, 1);
check_deferred(info);
}
static int command_load(char *word[], char *word_eol[], void *userdata)
{
if(is_lua_file(word[2]))
{
load_script(word[2]);
return HEXCHAT_EAT_ALL;
}
else
return HEXCHAT_EAT_NONE;
}
static int command_unload(char *word[], char *word_eol[], void *userdata)
{
if(unload_script(word[2]))
return HEXCHAT_EAT_ALL;
else
return HEXCHAT_EAT_NONE;
}
static int command_reload(char *word[], char *word_eol[], void *userdata)
{
if(reload_script(word[2]))
return HEXCHAT_EAT_ALL;
else
return HEXCHAT_EAT_NONE;
}
static int command_console_exec(char *word[], char *word_eol[], void *userdata)
{
char const *channel = hexchat_get_info(ph, "channel");
if(channel && !strcmp(channel, console_tab))
{
if(interp)
{
hexchat_printf(ph, "> %s", word_eol[1]);
inject_string(interp, word_eol[1]);
}
return HEXCHAT_EAT_ALL;
}
return HEXCHAT_EAT_NONE;
}
static void check_deferred(script_info *info)
{
info->status &= ~STATUS_ACTIVE;
if(info->status & STATUS_DEFERRED_UNLOAD)
{
run_unload_hooks(info, NULL);
g_ptr_array_remove_fast(scripts, info);
}
else if(info->status & STATUS_DEFERRED_RELOAD)
{
if(info == interp)
{
run_unload_hooks(interp, NULL);
destroy_interpreter();
create_interpreter();
}
else
{
char *filename = g_strdup(info->filename);
run_unload_hooks(info, NULL);
g_ptr_array_remove_fast(scripts, info);
load_script(filename);
g_free(filename);
}
}
}
static int command_lua(char *word[], char *word_eol[], void *userdata)
{
if(!strcmp(word[2], "load"))
{
load_script(word[3]);
}
else if(!strcmp(word[2], "unload"))
{
if(!unload_script(word[3]))
hexchat_printf(ph, "Could not find a script by the name '%s'", word[3]);
}
else if(!strcmp(word[2], "reload"))
{
if(!reload_script(word[3]))
hexchat_printf(ph, "Could not find a script by the name '%s'", word[3]);
}
else if(!strcmp(word[2], "exec"))
{
if(interp)
inject_string(interp, word_eol[3]);
}
else if(!strcmp(word[2], "inject"))
{
script_info *script = get_script_by_file(word[3]);
if (script)
{
inject_string(script, word_eol[4]);
}
else
{
hexchat_printf(ph, "Could not find a script by the name '%s'", word[3]);
}
}
else if(!strcmp(word[2], "reset"))
{
if(interp)
{
if(interp->status & STATUS_ACTIVE)
{
interp->status |= STATUS_DEFERRED_RELOAD;
}
else
{
run_unload_hooks(interp, NULL);
destroy_interpreter();
create_interpreter();
}
}
}
else if(!strcmp(word[2], "list"))
{
guint i;
hexchat_print(ph,
"Name Version Filename Description\n"
"---- ------- -------- -----------\n");
for(i = 0; i < scripts->len; i++)
{
script_info *info = scripts->pdata[i];
char *basename = g_path_get_basename(info->filename);
hexchat_printf(ph, "%-16s %-8s %-20s %-10s\n", info->name, info->version,
basename, info->description);
g_free(basename);
}
if(interp)
hexchat_printf(ph, "%-16s %-8s", interp->name, plugin_version);
}
else if(!strcmp(word[2], "console"))
{
hexchat_commandf(ph, "query %s", console_tab);
}
else
{
hexchat_command(ph, "help lua");
}
return HEXCHAT_EAT_ALL;
}
/* Reinitialization safegaurd */
static int initialized = 0;
G_MODULE_EXPORT int hexchat_plugin_init(hexchat_plugin *plugin_handle, char **name, char **description, char **version, char *arg)
{
if(initialized != 0)
{
hexchat_print(plugin_handle, "Lua interface already loaded\n");
return 0;
}
if (g_str_has_prefix(LUA_VERSION, "Lua "))
{
strcat(plugin_version, "/");
g_strlcat(plugin_version, LUA_VERSION + 4, sizeof(plugin_version));
}
*name = plugin_name;
*description = plugin_description;
*version = plugin_version;
ph = plugin_handle;
initialized = 1;
hexchat_hook_command(ph, "", HEXCHAT_PRI_NORM, command_console_exec, NULL, NULL);
hexchat_hook_command(ph, "LOAD", HEXCHAT_PRI_NORM, command_load, NULL, NULL);
hexchat_hook_command(ph, "UNLOAD", HEXCHAT_PRI_NORM, command_unload, NULL, NULL);
hexchat_hook_command(ph, "RELOAD", HEXCHAT_PRI_NORM, command_reload, NULL, NULL);
hexchat_hook_command(ph, "lua", HEXCHAT_PRI_NORM, command_lua, command_help, NULL);
hexchat_printf(ph, "%s version %s loaded.\n", plugin_name, plugin_version);
scripts = g_ptr_array_new_with_free_func((GDestroyNotify)destroy_script);
create_interpreter();
if(!arg)
autoload_scripts();
return 1;
}
G_MODULE_EXPORT int hexchat_plugin_deinit(hexchat_plugin *plugin_handle)
{
guint i;
gboolean active = FALSE;
for(i = 0; i < scripts->len; i++)
{
if(((script_info*)scripts->pdata[i])->status & STATUS_ACTIVE)
{
active = TRUE;
break;
}
}
if(interp && interp->status & STATUS_ACTIVE)
active = TRUE;
if(active)
{
hexchat_print(ph, "\00304Cannot unload the lua plugin while there are active states");
return 0;
}
if(interp)
run_unload_hooks(interp, NULL);
destroy_interpreter();
g_ptr_array_foreach(scripts, (GFunc)run_unload_hooks, NULL);
g_clear_pointer(&scripts, g_ptr_array_unref);
g_clear_pointer(&expand_buffer, g_free);
return 1;
}